4 Martense Court, Brooklyn

Single family · built c. 1930 · Block 5086, Lot 77.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$81,240
2026–27 tax
$8,058
Market value (city estimate)
$1,354,000
Taxable value
$40,608
Assessed land
$16,080
Assessed improvements
$65,160

Zoning

R6B: floor area ratio 0.90 built, 2.00 allowed by base zoning.

Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

More construction in Flatbush

Every lot on block 5086

Umarelli: construction in New York City and Jersey City